{"id":"CVE-2024-52920","aliases":["EUVD-2024-45970","GHSA-wqx3-8496-4xhc"],"status":"published","title":"Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop)...","description":"Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00633,"percentile":0.50804,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2024-11-18T00:00:00Z","modified":"2026-10-28T02:30:57Z","products":[{"vendor":"bitcoin","product":"bitcoin_core"}],"references":[{"url":"https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures","tags":["Third Party Advisory","web"]},{"url":"https://bitcoincore.org/en/2024/07/03/disclose-getdata-cpu/","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-52920","tags":["advisory"]},{"url":"https://bitcoincore.org/en/2024/07/03/disclose-getdata-cpu"},{"url":"https://github.com/advisories/GHSA-wqx3-8496-4xhc"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/52xxx/CVE-2024-52920.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-52920","description":"Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.","status":"published","published":"2024-11-18T00:00:00Z","modified":"2024-11-18T15:27:30.722Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:34:03.333404Z"}],"euvd":[{"id":"EUVD-2024-45970","description":"Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.","status":"published","published":"2024-11-18T00:00:00Z","modified":"2024-11-18T15:27:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:57.054288Z"}],"ghsa":[{"id":"GHSA-wqx3-8496-4xhc","title":"Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop)...","description":"Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.","status":"published","published":"2024-11-18T06:30:35Z","modified":"2024-11-18T18:30:54Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:58:52.476096Z"}],"nvd":[{"id":"CVE-2024-52920","description":"Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.","status":"published","published":"2024-11-18T04:15:04.96Z","modified":"2026-06-17T08:07:52.26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:10:37.281254Z"}],"osv":[{"id":"CVE-2024-52920","description":"Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.","status":"published","published":"2024-11-18T00:00:00Z","modified":"2026-10-28T02:30:57.716295385Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:44.451316Z"}]}}